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Turnkey general contractor contract is understood as a type of contract that the investor signs with a general contractor from A to Z, ie the general contractor performs from project formulation, survey, design, procurement, installation of construction equipment, construction, training of staff and operators. After completing the above works, the investor receives the project and puts the project into operation.

The basic advantage of these types of contracts is to minimize the investor's management in the implementation of the project, so according to international practice, this form of contract is also known as the contract form. Project Management Contractor (PMC) is one of 4 forms of general contractor as project management (Conventional). The investor uses consultants as project management (Project Management Unit): the general contractor works as a project manager. project management (PMC) and finally self-employment form (the investor self-implements the project).